Cheap flights from San Juan to London from £225

How far is San Juan to London by plane?

San Juan and London are 4196.4 mi apart from one another. Flights usually cover this in 12h 30m, depending on flying conditions and air traffic around both airports.

When did momondo last update prices for flights from San Juan to London?

Prices for flights from San Juan to London refresh daily.

How many operators does momondo search for flights from San Juan to London?

As of May 2026, there is 1 operator available to choose from for flights from San Juan to London.

How old do you have to be to fly from San Juan to London?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Juan to London.

What documentation or ID do you need to fly to London?

The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.